JP3889015B2 - Lightning protection equipment in seismically isolated buildings - Google Patents

Description

  The present invention is installed in a base isolation structure in which a base part on which the base isolation device is mounted and an upper structure part mounted on the base isolation device are electrically insulated by the base isolation device, The present invention relates to a lightning arrester that protects the seismic isolation structure from lightning.

  As a lightning protection device for protecting a conventional seismic isolation structure from a lightning strike, there is a technology called “a potential reduction system during a lightning strike in a base isolation building”, which is a well-known fact (see, for example, Patent Document 1).

Hereinafter, the potential lowering system at the time of lightning strike in a base-isolated building will be described with reference to each drawing of FIG. FIG. 9A is a front view of a potential reduction system during a lightning strike in a base-isolated building according to the prior art, and FIG. 9B is a plan view of the potential reduction system during a lightning strike in a conventional base-isolated building. FIG. As shown in FIGS. 9 (a) and 9 (b), the electric potential lowering system at the time of a lightning strike in a conventional base-isolated building has an upper structure portion 1010 and a base portion 1020 electrically connected by a base-isolation device 1030. In the base-isolated building that is insulated from each other, equipotential connection wires 1040 are arranged in a grid pattern on the bottom 1011 of the upper structure portion, and the lightning receiver 1050 and the equipotential contact wires 1040 are connected by a lightning conductor 1060. At the same time, a connection lightning conductor 1070 is provided for each pillar 1090 on which the seismic isolation device is mounted, and the equipotential connection conductor 1040 and the ground electrode 1080 are connected.
JP 11-285139 A (page 1-4, FIG. 1)

  By the way, as for the building, the “design” that plans the use of the building, the appearance and the inside view, the “structure” that examines and confirms the safety of the building against external forces such as its own weight, earthquake and wind, and its construction It consists of “equipment” that examines and confirms the safety of electrical facilities, water supply and drainage facilities, etc., and the functions possessed by the building can be exhibited by mutually complementing the functions possessed by them. Also, prior to the construction of a building, an application for confirmation that the building complies with the Building Standards Act and the laws and regulations related to the Building Standards Act is submitted to the administrative agency for confirmation. It is also a well-known fact that in the application for building confirmation, “design”, “structure”, and “equipment” are examined for legality.

  The seismic isolation device is “structure”, the lightning arrester is “equipment”, and even when the seismic isolation device is adopted, it is necessary to make the lightning arrester compatible with the seismic isolation device. In addition, since the effect of the seismic isolation device was proved in the Great Hanshin-Awaji Earthquake, it is being adopted regardless of whether it is a high-rise building or a low-rise building.

  This invention is made | formed in view of the above problems, and it aims at providing the lightning protection equipment which can be easily installed in a seismic isolation building.

  In order to solve the above-mentioned problem, a lightning protection facility in a seismic isolation building according to claim 1 of the present invention includes a base portion on which a seismic isolation device is mounted, and an upper structure portion mounted on the seismic isolation device. A bottom beam member disposed at the bottom of the upper structure portion, comprising: a lightning receiving portion that is electrically insulated by the seismic isolation device and at least receiving a lightning strike; and a grounding electrode that grounds a lightning current to the ground. In a lightning arrester in a seismic isolation building that protects the building from lightning strikes with the bottom steel part as a reinforcement or steel frame as a virtual ground, the base part column member, beam member rebar or steel frame base part steel part A base part connector for mechanically attaching and electrically connecting the base part steel material part is provided, and a bottom part connector for mechanically attaching to the bottom steel part and electrically connecting the bottom steel part is provided. The grounding electrode and the foundation provided First terminal box is provided to be bonded to the steel part, a second terminal box which is joined to the first terminal box and the lightning receptor is provided, it is characterized in.

  Moreover, the lightning arrester in the seismic isolation building according to claim 2 of the present invention is the lightning arrester in the seismic isolation building according to claim 1, wherein the column member and the beam excluding the bottom beam member of the upper structure portion are provided. An upper part connector that is mechanically attached to an upper part steel part that is a reinforcing bar or a steel frame of a member and electrically joins the upper part steel part is further provided.

  Moreover, the lightning arrester in the seismic isolation building according to claim 3 of the present invention is the lightning arrester in the seismic isolation building according to claim 1 or 2, wherein the junction is a steel part to which the junction is attached. Reinforcing bar joints, each of which is provided with a connecting wire for electrically connecting the reinforcing bar and the reinforcing bar, and each end of the connecting wire is fixed by crimping to the reinforcing bar. It is characterized in that it is provided with a gripper for attaching to the head.

  Moreover, the lightning arrester in the seismic isolation building according to claim 4 of the present invention is the lightning arrester in the seismic isolation building according to claim 1 or 2, wherein one end of the junction is attached to the junction. The steel part is a rebar, and the other end is attached to the steel part and the steel part is a steel frame, and the connecting wire that electrically connects the bar and the steel frame Provided with a gripper that is fixed to one end of the connecting wire by crimping and mechanically attached to a reinforcing bar, and is substantially T-shaped to be fixed to the other end of the connecting wire by crimping and mechanically attached to a steel frame The adsorber is provided.

  Moreover, the lightning arrester in the seismic isolation building according to claim 5 of the present invention is the lightning arrester in the seismic isolation building according to claim 1, wherein the first terminal box is joined to the foundation steel member. One end of the base portion connecting conducting wire is electrically and mechanically joined, and one end of the terminal box connecting conducting wire joining the first terminal box and the second terminal box is electrically and mechanically joined. A substantially U-shaped crimping device having a substantially U-shaped shape to be joined is provided, and one end of a grounding electrode connecting conductor joined to the grounding electrode is electrically and mechanically joined to a substantially T-shaped T-shape. A crimping device is provided, and the U-shaped crimping device and the T-shaped crimping device are electrically joined to each other, and a substantially flat partition plate for mechanically attaching the respective crimping devices is provided. It is characterized by.

  Moreover, the lightning arrester in the seismic isolation building according to claim 6 of the present invention is the lightning arrester in the seismic isolation building according to claim 1, wherein the second terminal box is joined to the bottom steel part. A bottom-connecting wire crimping device having a substantially T-shaped shape, in which one end of the bottom connecting conductor is electrically and mechanically joined, is provided, and one end of the terminal box connecting conductor joined to the first terminal box is electrically connected A substantially T-shaped terminal box connecting wire crimping device mechanically joined, and electrically connecting the bottom connecting wire crimping device and the terminal box connecting wire crimping device mechanically A substantially flat partition plate to be attached is provided.

  Moreover, the lightning arrester in the seismic isolation building according to claim 7 of the present invention is the lightning arrester in the seismic isolation building according to claim 5, wherein the U-shaped crimping device has one end of the foundation connecting conductor. Is inserted into the base portion connecting conductor insertion portion, the terminal box connecting conductor insertion portion into which one end of the terminal box connecting conductor is inserted, the base portion connecting conductor insertion portion in the vicinity of one short side, and the other short portion. A substantially rectangular flat plate portion in which the terminal box connecting wire insertion portions are respectively suspended in the vicinity of the side portions, and a taper nut for crimping and fixing the connecting wires inserted into the connecting wire insertion portions. It is a feature.

  Moreover, the lightning arrester in the seismic isolation building according to claim 8 of the present invention is the lightning arrester in the seismic isolation building according to claim 5 or 6, wherein each of the T-shaped crimping devices includes the respective lightning arrester. A connecting conductor inserted portion into which one end of the connecting conductor is inserted; a substantially rectangular flat plate portion in which the connecting conductor insert is suspended substantially at the center; and a connecting conductor inserted into the connecting conductor insert. It has a taper nut fixed to each said crimping machine by crimping.

  According to the lightning protection equipment in the seismic isolation building according to claim 1 of the present invention, the base portion on which the seismic isolation device is mounted and the upper structure portion mounted on the seismic isolation device are provided by the seismic isolation device. Reinforcement or steel frame of a bottom beam member disposed at the bottom of the upper structure portion, which is electrically insulated and includes at least a lightning receiving portion for receiving a lightning strike and a grounding electrode for grounding a lightning current to the ground. In the lightning protection equipment in the seismic isolation building that protects the building from lightning strike with the bottom steel part as a virtual ground, mechanically attached to the base part steel part that is the pillar member of the base part, the reinforcing bar of the beam member or the steel frame, A foundation joint is provided for electrically joining the foundation steel parts, a bottom joint is provided for mechanically attaching to the bottom steel part and electrically joining the bottom steel parts, and the ground electrode. And joined to the base steel part 1 terminal box is provided, and since the second terminal box joined to the first terminal box and the lightning receiving portion is provided, it is possible to easily provide the lightning protection equipment in the seismic isolation building. There is an effect.

  Moreover, according to the lightning arrester in the seismic isolation building according to claim 2 of the present invention, in the lightning arrester in the seismic isolation building according to claim 1, the column member excluding the bottom beam member of the upper structure portion. In addition, an upper joint that is mechanically attached to the upper steel part of the beam member, which is a reinforcing bar or a steel frame, and electrically joins the upper steel part is further provided. There is an effect that it is possible to provide a lightning arrester in a base-isolated building that makes the voltage rise uniform and reduces the voltage rise.

  Moreover, according to the lightning arrester in the seismic isolation building which concerns on Claim 3 of this invention, in the lightning arrester in the seismic isolation building of Claim 1 or Claim 2, the said junction attaches the said junction Reinforcing bar joint using steel material as a reinforcing bar, the reinforcing bar joint is provided with a connecting wire for electrically connecting the reinforcing bar and the reinforcing bar, and each end of the connecting wire is fixed by crimping to the reinforcing bar. Since the mechanically attached gripper is provided, it is possible to produce a reinforcing bar joint in the factory, and the quality control is facilitated.

  Moreover, according to the lightning arrester in the seismic isolation building according to claim 4 of the present invention, in the lightning arrester in the seismic isolation building according to claim 1 or 2, the junction is one end of the junction. This is a composite connector with the steel part attached to it being a reinforcing bar and the steel part attached to the other end being a steel frame. The composite type connector has a connection for electrically connecting the reinforcing bar and the steel frame. An approximately T-shape that is provided with a lead wire, and is provided with a gripper that is crimped and fixed at one end of the connecting lead wire and mechanically attached to a reinforcing bar, and is mechanically attached to a steel frame by crimping and fixing the other end of the connecting lead wire. Since the mold-shaped adsorber is provided, it is possible to produce a composite-type junction device in a factory, and the quality control is facilitated.

  Moreover, according to the lightning arrester in the seismic isolation building according to claim 5 of the present invention, in the lightning arrester in the seismic isolation building according to claim 1, the first terminal box has the foundation steel part. One end of the base connecting wire joined to the first and second terminal boxes is electrically and mechanically joined, and one end of the terminal box connecting conducting wire joining the first terminal box and the second terminal box is electrically and mechanically A substantially U-shaped crimping device having a substantially U-shape bonded thereto is provided, and one end of a grounding electrode connecting conductor joined to the grounding electrode is electrically and mechanically joined to a substantially T-shaped T A U-shaped crimping device is provided, and the U-shaped crimping device and the T-shaped crimping device are electrically joined to each other, and a substantially flat partition plate for mechanically attaching the respective crimping devices is provided. Therefore, there is an effect that the first terminal box can be made small.

  Moreover, according to the lightning arrester in the seismic isolation building according to claim 6 of the present invention, in the lightning arrester in the seismic isolation building according to claim 1, the second terminal box includes the bottom steel material part. A substantially T-shaped bottom connection lead wire crimping device is provided in which one end of the joined bottom connection lead wire is electrically and mechanically joined, and one end of the terminal box connection lead wire joined to the first terminal box is provided An approximately T-shaped terminal box connecting wire crimping device that is electrically and mechanically joined is provided, and the bottom connecting wire crimping device and the terminal box connecting wire crimping device are electrically joined together, Since the substantially flat partition plate to be attached is provided, there is an effect that the second terminal box can be made small.

  Moreover, according to the lightning arrester in the seismic isolation building according to claim 7 of the present invention, in the lightning arrester in the seismic isolation building according to claim 5, the U-shaped crimping device includes the base part connecting conductor. A base portion connecting conductor insertion portion into which one end of the terminal box connecting conductor is inserted; a terminal box connecting conductor insertion portion into which one end of the terminal box connecting conductor is inserted; and the base portion connecting conductor insertion portion in the vicinity of one short side, A substantially rectangular flat plate portion in which the terminal box connecting wire insertion portions are respectively suspended in the vicinity of the short side portion of the wire, and a taper nut for crimping and fixing the connecting wires inserted into the connecting wire insertion portions. This has the effect of facilitating quality control.

  Moreover, according to the lightning arrester in the seismic isolation building according to claim 8 of the present invention, in the lightning arrester in the seismic isolation building according to claim 5 or 6, in each T-shaped crimping device, A connecting wire insertion portion into which one end of each connecting wire is inserted, a substantially rectangular flat plate portion in which the connecting wire insertion portion is suspended substantially at the center thereof, and a communication inserted into the connecting wire insertion portion. Since it has the taper nut which crimps and fixes a conducting wire to the said crimping | compression-bonding device concerned, there exists an effect which quality control becomes easy.

Embodiments of the present invention will be described below with reference to the drawings.
(Embodiment 1)
First, the structure of the lightning arrester in the seismic isolation building which concerns on Embodiment 1 of this invention is demonstrated. FIG. 1A is an overall left side view of a lightning arrester in the seismic isolation building according to Embodiment 1 of the present invention, and FIG. 1B is the seismic isolation building according to Embodiment 1 of the present invention. FIG. 1C is an overall perspective view showing the attachment state of each connector of the lightning arrester, and FIG. 1C shows the attachment state of the beam main reinforcing bar joint of the foundation portion of the lightning arrester in the seismic isolation building according to Embodiment 1 of the present invention. FIG. As shown in each figure of Fig.1 (a) and FIG.1 (b), in the lightning protection installation in the seismic isolation building which concerns on Embodiment 1 of this invention, the base part main reinforcement 21 of the base part column 20, and A foundation rebar connector 40 for joining the foundation orthogonal beam main reinforcing bar 33 of the foundation orthogonal beam 32 is provided, and a grounding electrode 50 for grounding the lightning current to the ground is provided, and the foundation column main reinforcing bar 21 and the grounding electrode are provided. 50, a first terminal box 60 joined to 50, a bottom pillar main reinforcing bar 91 of the bottom pillar 90 and a second terminal box 70 joined to the first terminal box 60 are provided. A bottom rebar connector 106 for joining the intermediate column main reinforcing bar 93 and the bottom orthogonal beam main reinforcing bar 161 of the bottom orthogonal beam 160 is provided, a lightning receiving portion 80 for receiving a lightning strike is provided, and the upper column main of the upper column 94 is provided. A lightning connection connecting wire joiner 82 for joining the reinforcing bar 95 and the lightning receiver 80 is provided. A foundation beam main reinforcing bar joint 110 for electrically and mechanically joining the foundation beam main reinforcing bar 31 of the foundation beam 30 and the foundation orthogonal beam main reinforcing bar 33 of the foundation orthogonal beam 32 is provided. A bottom beam main reinforcing bar joint 111 for electrically and mechanically connecting the bottom beam main reinforcing bar 101 of 100 and the bottom orthogonal beam main reinforcing bar 161 of the bottom orthogonal beam 160 is provided; The second terminal box 70 is attached to the front part of the bottom pillar 90 and is attached to the front part of the pillar 20.

  Next, each component which comprises the lightning arrester in the seismic isolation building which concerns on Embodiment 1 of this invention comprised as mentioned above is demonstrated in detail. FIG. 2 is a view showing a foundation reinforcing bar joint of a lightning arrester in the seismic isolation building according to Embodiment 1 of the present invention, and FIG. 2 (a) is a side view of the foundation reinforcing bar joint, FIG. FIG. 2B is a front view of the foundation reinforcing bar joint, and FIG. 2C is a view showing a state in which the connecting conductor is connected and crimped and fixed to the conductor insertion portion with a taper nut. The base part reinforcing bar joint 40 electrically joins the base part column main reinforcing bar 21 and the base part orthogonal beam main reinforcing bar 33 and mechanically attaches the base part reinforcing bar joint 40 to each main reinforcing bar. 2A, the connecting conductor 41 and the ends of the connecting conductor 41 are fixed to the both ends of the connecting conductor 41 by crimping, and the foundation rebar connector 40 is connected to each of the main reinforcing bars 40. It is comprised with the grasper 42 fixed to a reinforcing bar. The connecting conductor 41 is a stranded conductor. The gripping device 42 includes a connecting conductor insertion portion 421 into which the connecting conductor 41 is inserted, a taper nut 422 for crimping and fixing the connecting conductor 41 to the connecting conductor insertion portion 421, and sandwiching to fix the connecting conductor insertion portion 421 by screwing. A member 423, a sandwiching member 424 that sandwiches the foundation column main reinforcing bar 21 or the foundation orthogonal beam main reinforcement 33 together with the sandwiching member 423, and a pivot 425 that allows the sandwiching member 424 to rotate with respect to the sandwiching member 423. It is configured. In the state in which the foundation reinforcing bar joint 40 is fixed to each main reinforcing bar, the bolt 4261 of the screw member 426 is inserted into the bolt mounting hole 4241 of the clamping member 424 as shown in FIG. The portion 4261a engages with the bolt locking portion 4231 of the clamping member 423 as shown in FIG.

  As shown in FIG. 2C, the connecting wire inserting portion 421 is a male screw having a head portion 4211, a shaft portion 4212, and a screwing portion 4213, and the shaft portion 4212 is processed into a cylindrical shape. The part 4212 is processed with a male screw part 4212a having a gradient on the outer peripheral surface of the shaft part 4212 and a front split part 4212b along the axial direction, and the connecting wire 41 is inserted into the cylinder of the shaft part 4212. . The screwing portion 4213 is a male screw portion for screwing and fixing the connecting conductor insertion portion 421 to the pinching member 423, and is positioned between the head portion 4211 and the shaft portion 4212.

  As shown in FIG. 2C, the taper nut 422 is a cylindrical female screw having a head 4221 and a shaft portion 4222, and a female screw portion 4222 a is processed on a part of the inner wall of the shaft portion 4222. And the inner wall surfaces of the head 4221 and the shaft 4222 have a gradient. The taper nut 422 is screwed to the connecting wire inserting portion 421, so that the connecting wire 41 inserted into the cylinder of the shaft portion 4212 is crimped and fixed to the connecting wire inserting portion 421.

  The bottom reinforcing bar joint 106, the foundation beam main reinforcing bar joint 110, and the bottom beam main reinforcing bar joint 111 are the same as the foundation reinforcing bar joint 40, and the intermediate column main reinforcing bar 93 is formed by the bottom reinforcing bar joint 106. And the bottom orthogonal beam main reinforcing bar 161, the foundation beam main reinforcing bar connector 110, the base beam main reinforcing bar 31 and the foundation orthogonal beam main reinforcing bar 33, and the bottom beam main reinforcing bar connector 111 and the bottom beam main reinforcing bar 101. The bottom orthogonal beam main reinforcing bar 161 is electrically and mechanically joined to each other.

  Next, the first terminal box 60 will be described. FIG. 3 is a view showing a first terminal box of a lightning arrester in the seismic isolation building according to Embodiment 1 of the present invention, FIG. 3 (a) is a front view of the first terminal box, and FIG. b) is a right side view of the first terminal box, FIG. 3C is a front view of the lid, FIG. 3D is a cross-sectional view in the short side direction of the lid, and FIG. 3 (f) is a front view of the T-shaped crimping device, and FIG. 3 (g) is a side sectional view of the first terminal box in the short side direction. The first terminal box 60 is a terminal box that electrically and mechanically connects the base portion connecting conductor 1, the terminal box connecting conductor 2, and the ground electrode connecting conductor 51. FIG. 3 (a) and FIG. As shown in each figure of (b), a substantially U-shaped U-shaped crimping device 61 for crimping and fixing the base portion connecting conducting wire 1 and the terminal box connecting conducting wire 2 and a ground electrode connecting conducting wire 51 are crimped and fixed. A T-shaped T-shaped crimping device 62, a U-shaped crimping device 61 and a housing 64 that houses the T-shaped crimping device 62, and a lid 65 that is fitted to the front portion of the housing 64. It is configured.

  As shown in FIG. 3 (e), the U-shaped crimping device 61 includes a base portion connecting lead insertion portion 611 into which a base portion connecting lead (not shown) is inserted, and a terminal box connecting lead (not shown). The terminal box connecting conductor insertion portion 612 to be inserted, the base connecting conductor insertion portion 611 near one short side, and the terminal box connecting conductor insertion portion 612 near the other short side are respectively suspended. A flat plate portion 613 having a substantially rectangular shape and a taper nut 614 for pressing and fixing each of the connecting conductors to each of the conductor insertion portions are provided. The base portion connecting lead insertion portion 611, the terminal box connecting lead insertion portion 612, and the flat plate portion 613 are integrally formed in a substantially U-shape, and each lead insertion is made by screwing a taper nut 614 to each lead insertion portion. Each connecting conductor inserted into the part is fixed to each conductor insertion part by pressure bonding.

  The base portion connecting lead wire insertion portion 611 and the terminal box connecting lead wire insertion portion 612 are a male screw having a head portion 6111 and a shaft portion 6112, the shaft portion 6112 being processed into a cylindrical shape, and an outer peripheral surface of the shaft portion 6112. A male threaded portion 6112a having a slope and a leading portion 6112b are machined along the axial direction. The head portion 6111 is processed into a cylindrical shape, and a female screw portion 6111 a is processed on the inner wall surface of the head portion 6111. The flat plate portion 613 has a female screw portion 6131 that is continuous with the female screw portion 6111a, and each connecting lead wire is inserted into the base portion connecting lead wire inserting portion 611 and the terminal box connecting lead wire inserting portion 612 and is screwed by the taper nut 614. It is fixed. The taper nut 614 is equivalent to the taper nut 422.

  As shown in FIG. 3 (f), the T-shaped crimping device 62 includes a grounding electrode connection conducting wire insertion portion 621 into which a grounding electrode connection conducting wire (not shown) is inserted, and a grounding electrode connection conducting wire insertion portion 621. A substantially rectangular flat plate portion 622 and a taper nut 623 for pressing and fixing a grounding electrode connecting conductor (not shown) to the grounding electrode connecting conductor insertion portion 621, and a screw near each short side of the flat plate portion 622. It has a hole 6221, and a ground electrode connecting conductor insertion portion 621 is suspended from substantially the center of gravity of the flat plate portion 622 and is integrally formed in a substantially T-shape. A taper nut 623 is screwed to the ground electrode connecting conductor insertion portion 621 so that a ground electrode connecting conductor (not shown) inserted into the ground electrode connecting conductor inserting portion 621 is fixed by pressure. The ground electrode connection conducting wire insertion part 621 is a male thread machined into a cylindrical shape, and a male thread part 6211 having a gradient on the outer peripheral surface thereof and a pre-splitting part 6212 are machined along the axial direction. The taper nut 623 is equivalent to the taper nut 422.

  As shown in FIGS. 3A and 3B, the housing 64 includes a connector 641 into which the grounding electrode connecting conductor 51 is inserted, a connector 642 into which the base connecting conductor 1 is inserted, A connector 643 into which the terminal box connecting conductor 2 is inserted, and a partition plate 644 for fixing the U-shaped crimping device 61 and the T-shaped crimping device 62, and the connector 641 is an edge on the lower surface plate 647 side of the back plate 645. In the center of the end, the connector 642 is near the corner where the top plate 646 and the right side plate 648 of the back plate 645 intersect, and the connector 643 is on the short side edge on the left side plate side of the right side plate 648 of the top plate 646. Each is arranged. Each of the connectors prevents moisture (for example, groundwater) from entering the interior of the housing 64 through the communication wires. The partition plate 644 is a substantially rectangular thin plate, and as shown in FIG. 3G, a T-type crimper 62 is fitted to the center of one long side edge of the partition plate 644. A substantially circular cutout portion 6441; and a screw hole 6442 for inserting a screw member 63 for fixing the U-shaped crimping device 61 and the T-shaped crimping device 62 on both sides of the cutout portion 6441. An edge where the notch portion 6441 is not processed is integrally formed with the housing 64 and fixed at a substantially central portion in the short side direction of the housing 64.

  Next, the base part connecting lead wire connector 22, the bottom part connecting lead wire connector 73, and the lightning receiving part connecting lead wire joint 82 will be described. The base portion connecting lead wire connector 22, the bottom portion connecting lead wire connector 73, and the lightning receiving portion connecting lead wire joint 82 are equivalent to the gripper 42, and the base portion connecting lead wire connector 22 is the base portion connecting lead wire 1. Are connected to the base column main rebar 21, the bottom connecting conductor connector 73 is connected to the bottom connecting lead wire 4 to the bottom column main reinforcing bar 91, and the lightning receiver connecting conductor connector 82 is connected to the lightning receiver connecting wire 3 to the top column main reinforcing bar 95. , Respectively.

  Next, the second terminal box 70 will be described. FIG. 4 is a diagram showing a second terminal box of the lightning arrester in the seismic isolation building according to Embodiment 1 of the present invention, FIG. 4 (a) is a front view of the second terminal box, and FIG. b) shows right side views of the second terminal box. The second terminal box 70 electrically and mechanically connects the terminal box connecting conductor 2 and the bottom connecting conductor 4, and as shown in FIGS. 4 (a) and 4 (b). , A substantially T-shaped bottom connecting conductor crimping device 71 for crimping and fixing a bottom connecting conductor (not shown), and a substantially T-shaped terminal box connecting conductor for crimping and fixing a terminal box connecting conductor (not shown). A crimping device 72, a bottom connecting wire crimping device 71, a partition plate 644 for fixing the terminal box connecting wire crimping device 72 with a screw member 66, and a housing 74 integrated with the partition plate 644. The casing 74 is fitted into the connector 743 into which a terminal box connecting conductor (not shown) is inserted, the connector 744 into which the bottom connecting conductor (not shown) is inserted, and the front portion of the casing 74. The lid body 65 is provided. The connector 743 is provided in the approximate center of the lower surface plate 741, and the connector 744 is provided in the vicinity of the upper surface plate 745 on the central axis in the long side direction of the rear surface plate 742. The bottom connecting lead wire crimping device 71 and the terminal box connecting wire crimping device 72 are the same as those of the T-shaped crimping device 62, and the partition plate and the lid are the same as those of the first terminal box 60. Description is omitted.

  Next, the branch terminal 81 will be described. FIG. 5 is a diagram illustrating a branch terminal of a lightning arrester in the seismic isolation building according to Embodiment 1 of the present invention, FIG. 5 (a) is a plan view of the branch terminal, and FIG. 5 (b) is a branch terminal. Front views are shown respectively. The branching terminal 81 mechanically joins the lightning receiving part 80 and the lightning receiving part connecting conductor 3 and electrically joins them. FIG. 5A and FIG. As shown in FIG. 4, a lightning receiving portion connecting conducting wire insertion portion 811 into which a lightning receiving portion connecting conducting wire (not shown) is inserted, and a lightning receiving portion connecting conducting wire (not shown) inserted into the lightning receiving portion connecting conducting wire inserting portion 811. And a taper nut 812 for crimping and fixing the lightning-receiving portion, and a lightning-portion connecting conductor (not shown) is connected to the lightning-receiving portion connecting lead insertion portion 811 by screwing the taper nut 812 to the lightning-receiving portion connecting lead insertion portion 811. The lightning receiving part (not shown) and the lightning receiving part connecting conductor (not shown) are fixed by crimping and inserted into the lightning receiving part (not shown) by inserting a screw member (not shown) into the screw hole 8111a. ).

  The lightning receiving portion connection conducting wire insertion portion 811 includes a flat plate portion 8111, a shaft portion 8112, and a gradient portion 8113. The shaft portion 8112 has a cylindrical shape, a male screw portion 8112a having a gradient on the outer peripheral surface, and a front split portion 8112b are processed along the axial direction. The gradient portion 8113 is formed at a portion where the flat plate portion 8111 transitions to the shaft portion 8112. To position. The taper nut 812 is equivalent to the taper nut 422.

  Next, FIG. 1 (a), FIG. 1 (b), and FIG. 1 (c) each show an installation example of a lightning arrester in the seismic isolation building according to Embodiment 1 of the present invention configured as described above. Will be described with reference to FIG. Prior to the construction of the building, the ground electrode 50 is buried in a predetermined position, and the ground electrode 50 and the ground electrode connecting conductor 51 are joined by the ground electrode connecting conductor connector 54. Next, when assembling the foundation column main reinforcing bar 21 and the foundation beam main reinforcement 31, the foundation column main reinforcement 21 and the foundation orthogonal beam main reinforcement 33 are electrically connected by using the foundation reinforcing bar joint 40. In addition to mechanically joining, the foundation beam main reinforcing bar 31 and the foundation beam orthogonal main reinforcing bar 33 are electrically and mechanically joined by the foundation beam main reinforcing bar joint 110. Moreover, the base part connection conducting wire 1 is joined to the base part column main rebar 21 by the base part connection conducting wire connector 22.

  The ground electrode connecting conductor 51 and the foundation connecting conductor 1 are cured by a curing tube 52 and disposed at predetermined positions. The curing pipe 52 is a pipe made of vinyl chloride, and prevents corrosion of the connecting conductors by concrete. Further, a drain terminal 53 is attached to an intermediate portion of the ground electrode connection conducting wire 51. The drain terminal 53 prevents moisture (for example, groundwater) from entering the building due to a capillary phenomenon.

  Then, a formwork (not shown) is installed, concrete is placed, and after a predetermined curing period, the formwork (not shown) is removed, and the seismic isolation device 10 is mounted on the upper surface of the foundation column 20. To construct the bottom column 90 and the bottom beam 100. When the bottom column 90, the bottom beam 100, and the bottom orthogonal beam 160 are constructed, the intermediate column main reinforcing bar 93 and the bottom orthogonal beam main reinforcing bar 161 are connected to the bottom beam main reinforcing bar 101 and the bottom orthogonal beam main by the bottom reinforcing bar joint 106. The reinforcing bars 161 are electrically and mechanically joined to each other by the bottom beam main reinforcing bar joint 111.

  Next, the intermediate column 92, the intermediate beam 102, and the intermediate orthogonal beam 162 are provided on the upper portions of the bottom column 90, the bottom beam 100, and the bottom orthogonal beam 160, respectively. 102, the upper column 94, the upper beam 104, and the upper orthogonal beam 164 are respectively constructed above the intermediate orthogonal beam 162. When assembling the upper column main reinforcing bar 95 of the upper column 94, the lightning receiving portion connection conducting wire 3 is joined to the upper column main reinforcing bar 95 using the lightning receiving portion connecting conducting wire connector 82. The lightning conductor connecting conductor 3 is protected by a curing tube 52. Then, a formwork (not shown) is installed, concrete is placed, and after a predetermined curing period, the formwork (not shown) is removed and the upper column 94, the upper beam 104, and the upper orthogonal beam 164 are removed. And a parapet 120 is built.

  After the upper column 94, the upper beam 104, and the upper orthogonal beam 164 are constructed, the lightning receiving portion 80 is disposed on the parapet upper surface 121, and one end of the lightning receiving connection wire 3 is joined to the lightning receiving portion 80 by the branch terminal 81. . The bottom connecting conductor 4 is joined to the second terminal box 70, and the second terminal box 70 is attached to the front part of the bottom column 90 with a screw member. In parallel with the joining operation of the bottom connecting conductor 4 to the second terminal box 70, the ground electrode connecting conductor 51 and the base connecting conductor 1 are joined to the first terminal box 60, and the first terminal is connected. The box 60 is attached to the front part of the foundation column. And the 1st terminal box 60 and the 2nd terminal box are joined by the terminal box connection conducting wire 2. FIG. Thereby, the lightning receiving part 80 is joined to the grounding electrode 50 via each said main reinforcement.

  Next, the operation of the lightning arrester in the base-isolated building according to the first embodiment configured as described above will be described. A lightning current due to a lightning strike received by the lightning receiving portion 80 during a lightning strike flows from the lightning receiving portion connecting lead 3 to the main rebar of each beam member via the upper column main rebar 95 and the intermediate column main rebar 93. Here, since the main rebar of each bottom beam member arranged in a substantially lattice shape is electrically joined, the main rebar of each bottom beam member constitutes a virtual ground, and each said bottom beam member by the lightning current Make the voltage rise at the same level. Also, since the bottom column main rebar 91 is joined to the ground pole 50 and to the main rebar of the foundation beam member, the voltage rise of the base-isolated building during lightning strike is reduced to ground the lightning current. The pole 50 is grounded.

  As described above, the base portion on which the seismic isolation device 10 is mounted and the upper structure portion mounted on the seismic isolation device 10 are electrically insulated by the seismic isolation device 10, and the lightning receiving portion 80 receives the lightning strike. And a grounding pole 50 for grounding the lightning current to the ground, the base reinforcing bar of each bottom beam arranged at the bottom of the upper structure portion is used as a virtual ground to protect the building from lightning strikes. In the lightning arrester in, the foundation part which is mechanically attached to the foundation column main reinforcement 21 and the foundation orthogonal beam main reinforcement 33 and electrically connects the foundation column main reinforcement 21 and the foundation orthogonal beam main reinforcement 33. Reinforcing bar joint 40 is provided and mechanically attached to foundation beam main reinforcing bar 31 and foundation part orthogonal beam part main reinforcing bar 33 to electrically join foundation beam main reinforcing bar 31 and foundation part orthogonal beam main reinforcement 33. Base beam main reinforcing bar joint 110 is provided, and intermediate column main reinforcing bar 3 and the bottom orthogonal beam main reinforcing bar 161 are mechanically attached to the bottom column main reinforcing bar 161 to electrically connect the intermediate column main reinforcing bar 93 and the bottom orthogonal beam main reinforcing bar 161. And a bottom reinforcing bar joint 111 that is mechanically attached to the bottom orthogonal beam main reinforcing bar 161 and electrically connects the bottom beam main reinforcing bar 101 and the bottom orthogonal beam main reinforcing bar 161 to each other. The first terminal box 60 to be joined to the main reinforcing bar 21 is provided, and the second terminal box 70 to be joined to the first terminal box 60 and the bottom column main reinforcing bar 91 is provided. It is possible to provide lightning protection equipment that reduces the voltage rise of the building.

  In addition, each of the joints consisting of the foundation rebar joint 40, the foundation beam main reinforcement joint 110, the bottom reinforcement joint 106, and the bottom beam main reinforcement joint 111 is a joint for electrically joining the main reinforcement and the main reinforcement. Since the conductor 41 and the gripper 42 that mechanically attaches the connecting wire 41 to the main reinforcing bar are provided at both ends of the connecting wire 41, it is possible to omit a welding operation requiring skill.

  Further, the first terminal box 60 is connected to one end of the base connecting wire 1 electrically and mechanically, and one end of the terminal box connecting wire 2 is electrically and mechanically joined. A U-shaped crimping device 61 having a U-shape is provided, and a T-shaped crimping device 62 having a substantially T-shape, in which one end of the ground electrode connecting conductor 51 is electrically and mechanically joined, is provided. Since the mold crimping device 61 and the T-shaped crimping device 62 are electrically joined, and the substantially flat partition plate 644 for mechanically attaching the respective crimping devices is provided, It is possible to omit welding work that requires skill in joining the terminal box connecting conductor 2 and the ground electrode connecting conductor 51 to the first terminal box.

  Further, the second terminal box 70 is provided with a substantially T-shaped bottom connecting wire crimping device 71 to which one end of the bottom connecting conducting wire 4 is electrically and mechanically joined, and one end of the terminal box connecting conducting wire 2 is provided. Is provided with a substantially T-shaped terminal box connecting wire crimping device 72 that is electrically and mechanically joined to electrically connect the bottom connecting wire crimping device 71 and the terminal box connecting wire crimping device 72. Since the substantially plate-shaped partition plate 644 that is mechanically joined is provided, it is possible to omit welding work that requires skill in joining the bottom connecting conductor 4 and the terminal box connecting conductor 2 to the second terminal box. It becomes.

  Further, the U-shaped crimping device 61 includes a base portion connecting lead insertion portion 611 into which one end of the base portion connecting lead 1 is inserted, and a terminal box connecting lead insertion portion 612 into which one end of the terminal box connecting lead 2 is inserted. A substantially rectangular flat plate portion 613 in which the bottom connecting conductor insertion portion 611 is disposed in the vicinity of one short side portion, and the terminal box connecting conductor insertion portion 612 is suspended in the vicinity of the other short side portion; Since it has the taper screw 614 which crimps and fixes each connecting lead inserted in each connecting lead inserting portion, the U-shaped crimping device 61 can be made small.

  Further, the T-shaped crimping device 62 has a substantially rectangular shape in which a grounding electrode connecting conductor inserting portion 621 into which one end of the earthing electrode connecting conducting wire 51 is inserted and a grounding electrode connecting conductor inserting portion 621 are vertically provided at the center. A flat plate portion 622 of the mold and a taper screw 623 for pressing and fixing the ground electrode connecting conductor 51 inserted into the ground electrode connecting conductor inserting portion 621 to the T-shaped crimper 62. It can be made smaller.

  Similarly to the T-shaped crimping device 62, the bottom connection conducting wire crimping device 71 and the terminal box connecting wire crimping device 72 can be made smaller than the bottom connection conducting wire crimping device 71 and the terminal box connection conducting wire crimping device 72. It becomes possible.

  In the first embodiment, the ground electrode 50 is a stranded conductor, but may be a flat conductor as in the prior art, and is not limited to the first embodiment. Absent.

(Embodiment 2)
The lightning arrester in the base-isolated building according to the second embodiment is the same as the lightning arrester in the base-isolated building according to the above-described first embodiment except that the middle part reinforcing bar joint 107, the upper reinforcing bar joint 108, and the middle part. A beam main reinforcement connector 112 and an upper beam main reinforcement connector 113 are added. Accordingly, components having the same or equivalent functions as the lightning arrester in the base-isolated building according to the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  First, the structure of the lightning arrester in the seismic isolation building which concerns on Embodiment 2 of this invention is demonstrated. FIG. 6 is an overall view of the lightning arrester in the seismic isolation building according to Embodiment 2 of the present invention, and FIG. 6 (a) is a diagram of the lightning arrester in the seismic isolation building according to Embodiment 2 of the present invention. FIG. 6B is an overall perspective view showing an attachment state of each connector of the lightning arrester in the seismic isolation building according to Embodiment 2 of the present invention. As shown to each figure of Fig.6 (a) and FIG.6 (b), in the lightning protection installation in the seismic isolation building which concerns on Embodiment 2 of this invention, a base part rebar joint 40, the ground pole 50, The first terminal box 60, the second terminal box 70, the lightning receiving part 80, the lightning receiving part connecting conductor connector 82, the intermediate part reinforcing bar joint 107, the upper reinforcing bar joint 108, and the intermediate part A beam main reinforcing bar connector 112 and an upper beam main reinforcing bar connector 113 are provided. The first terminal box 60 is on the front surface of the foundation column 20, and the second terminal box 70 is the front surface of the intermediate column 92. Installed in each.

  The intermediate rebar connector 107, the upper rebar connector 108, the intermediate beam main rebar connector 112, and the upper beam main rebar connector 113 are the same as the foundation rebar connector 40, and the intermediate rebar connector 107, upper column main rebar 95 and intermediate beam main rebar 103, upper rebar connector 108, upper column main rebar 95 and upper beam main rebar 105, and intermediate beam main rebar connector 112, intermediate The main beam reinforcing bar 103 and the intermediate orthogonal beam main reinforcing bar 163 are joined to the upper beam main reinforcing bar coupler 113, and the upper beam main reinforcing bar 105 and the upper orthogonal beam main reinforcing bar 165 are electrically and mechanically joined to each other.

  Next, an installation example of the lightning protection facility in the seismic isolation building according to Embodiment 2 of the present invention configured as described above will be described with reference to FIGS. 6 (a) and 6 (b). . When building each bottom beam member and bottom column member, each component is disposed in the same manner as the lightning arrester in the base-isolated building according to the first embodiment. Then, when assembling the intermediate column main reinforcing bars 93 and the main reinforcing bars of the intermediate beam, the intermediate column reinforcing bar joint 107 connects the upper column main reinforcing bar 93 and the intermediate beam main reinforcing bar 103 to each other, and the intermediate beam main bar. The intermediate beam main reinforcement 103 and the intermediate orthogonal beam main reinforcement 163 are electrically and mechanically connected to each other by the reinforcing bar joint 112, and the upper column main reinforcement 95 and the upper beam are assembled at the upper part. The upper beam main reinforcing bar 105 and the upper column main reinforcing bar 95 are electrically connected to the upper beam main reinforcing bar 105 and the upper orthogonal beam main reinforcing bar 165 by the upper beam main reinforcing bar connector 113, respectively. . Then, after the upper column 94 and the upper beam 104 are built, the lightning receiving portion 80 is disposed on the parapet upper surface portion 121. Hereinafter, the lightning receiving portion 80 is connected to the bottom beam main body in the same manner as in the first embodiment. While joining to the reinforcing bar 101 and the bottom orthogonal beam main reinforcing bar 161, it is joined to the foundation part beam main reinforcing bar 31, the foundation part orthogonal beam main reinforcing bar 33, and the grounding electrode 50, respectively.

  The operation of the lightning arrester in the base-isolated building according to the second embodiment configured as described above will be described. The middle beam main reinforcement 103 and the middle orthogonal beam main reinforcement 163, the upper beam main reinforcement 105 and the upper orthogonal beam main reinforcement 165, the middle orthogonal beam main reinforcement 163 and the upper column main reinforcement 95, upper orthogonal Since the beam main reinforcing bar 165 and the upper column main reinforcing bar 95 are electrically connected to each other, the voltage rise of the seismic isolation structure during lightning strike is further uniformed and the voltage is increased compared to the first embodiment. The lightning current is grounded to the ground electrode 50 by reducing the rise.

  As described above, the base portion on which the seismic isolation device 10 is mounted and the upper structure portion mounted on the seismic isolation device 10 are electrically insulated by the seismic isolation device 10, and the lightning receiving portion 80 receives the lightning strike. And a grounding pole 50 for grounding the lightning current to the ground, the base reinforcing bar of each bottom beam arranged at the bottom of the upper structure portion is used as a virtual ground to protect the building from lightning strikes. In the lightning protection equipment in, the foundation part reinforcement which is mechanically attached to the foundation part column main rebar 21 and the foundation part orthogonal beam main reinforcement 33 and electrically connects the foundation part column reinforcement 21 and the foundation part orthogonal beam main reinforcement 33. A joint 40 is provided, which is mechanically attached to the foundation beam main reinforcing bar 31 and the foundation orthogonal beam main reinforcement 33 and electrically joins the foundation beam main reinforcement 31 and the foundation orthogonal beam main reinforcement 33. A sub-beam main reinforcing bar connector 110 is provided, and an intermediate beam main reinforcing bar 10 is provided. And an intermediate beam main reinforcing bar connector 112 that is mechanically attached to the intermediate beam main reinforcing bar 163 and electrically connects the intermediate beam main reinforcing bar 103 and the intermediate orthogonal beam main reinforcing bar 163 to each other. An intermediate beam reinforcing bar joint 107 is provided which is mechanically attached to the beam main reinforcing bar 163 and the upper column main reinforcing bar 95 and electrically connects the intermediate orthogonal beam main reinforcing bar 163 and the upper column main reinforcing bar 95. 105 and an upper orthogonal beam main reinforcing bar 165 which are mechanically attached to the upper orthogonal beam main reinforcing bar 165 and electrically connect the upper beam main reinforcing bar 105 and the upper orthogonal beam main reinforcing bar 165 are provided. And an upper reinforcing bar joint 108 that is mechanically attached to the upper column main reinforcing bar 95 and electrically connects the upper orthogonal beam main reinforcing bar 165 and the upper column main reinforcing bar 95, and is provided with the ground pole 50 and the foundation column main reinforcing bar. 21 The first terminal box 60 to be joined is provided, and the second terminal box 70 to be joined to the first terminal box 60 and the bottom column main reinforcing bar 91 is provided. It is possible to provide a lightning arrester that equalizes the rise and reduces the voltage rise.

  In addition, each of the joints of the intermediate rebar joint 107, the upper rebar joint 108, the intermediate beam main rebar joint 112, and the upper beam main rebar joint 113 requires skill as in the base rebar joint 40. It becomes possible to omit welding work.

(Embodiment 3)
While the lightning arrester in the seismic isolation building according to the second embodiment described above has the seismic isolation device disposed in the reinforced concrete structure of the upper structure, the seismic isolation building according to the third embodiment. In the lightning protection equipment in, the seismic isolation device is installed in a structure whose upper structure is a steel structure. Accordingly, components having the same or equivalent functions as the lightning arrester in the seismic isolation building according to the second embodiment described above are denoted by the same reference numerals and detailed description thereof is omitted.

  First, the structure of the lightning arrester in the seismic isolation building which concerns on Embodiment 3 of this invention is demonstrated. FIG. 7 is an overall left side view of the lightning arrester in the base-isolated building according to Embodiment 3 of the present invention. As shown in FIG. 7, the lightning protection facility in the seismic isolation building according to Embodiment 3 of the present invention includes a foundation rebar connector 40, a ground electrode 50, a first terminal box 60, and a second terminal. The terminal box 70, the lightning receiver 80, the composite connector 130, and the lightning receiver connection conductor bonding adsorber 132 are provided, and the first terminal box 60 is provided on the front part of the foundation column 20, and the second Terminal boxes 70 are attached to the front portion of the bottom column 90, respectively.

  The composite junction 130 will be described. FIG. 8A is an enlarged left side view showing a mounting state of the composite junction device, FIG. 8B is a left side view of the adsorber, and FIG. 8C is a front view of the adsorber. The composite connector 130 is configured such that one end of the composite connector 130 is mechanically attached to the bottom beam main reinforcing bar 101 and the other end is mechanically attached to the steel column 140, so that the bottom beam main reinforcing rod 101 and the steel column 140 are electrically connected. As shown in FIG. 8 (a), a connecting wire 41 for electrically connecting the bottom beam main reinforcing bar 101 and the steel column 140, and one end of the connecting wire 41 are fixed by pressure bonding. A gripper 42 that is gripped and fixed to the beam main reinforcing bar 101 and a substantially T-shaped suction unit 131 that is fixed to the steel column 140 by being crimped and fixed at the other end of the connecting wire 41 are provided. As shown in FIGS. 8B and 8C, the adsorber 131 includes a connecting wire inserting portion 421 into which a connecting wire (not shown) is inserted and a connecting wire 41 to connect the connecting wire 41. It is composed of a taper nut 422 that is crimped and fixed to 421, and a substantially T-shaped fixing device 1311 that is screwed and fixed to the connecting conductor insertion portion 421. A magnet 1312 is attached to the bottom of the fixing device 1311.

The lightning receiving portion connecting conducting wire bonding adsorber 132 has a substantially T-shaped shape for joining the lightning receiving portion connecting conducting wire 3 to the steel column 140, and is equivalent to the adsorbing device 131.
An installation example of the lightning arrester in the base-isolated building according to the third embodiment configured as described above will be described with reference to FIG. After the foundation part on which the seismic isolation device 10 is mounted, the bottom column 90, the bottom beam 100, and the bottom orthogonal beam 160 are constructed in the same manner as in the first embodiment, the steel frame is extended in the extending direction of each column member at the bottom. The steel beam 141 is constructed on the column 140 and the upper part of each beam member at the bottom. And after building the floor 150 of each floor, the wall 151 which also serves as the parapet 120 is attached.

  After attaching the wall 151, the lightning receiving portion 80 is disposed on the parapet upper surface portion 121, and one end of the lightning receiving portion connection conducting wire 3 is joined to the lightning receiving portion 80 by the branch terminal 81, and the lightning receiving portion is connected to the other end. A connecting wire bonding adsorber 132 is attached to electrically connect the lightning receiving portion 80 and the steel column 140 to each other. Further, the adsorber 131 of the composite coupler 130 is attached to the steel column 140 and the gripper 42 is attached to the bottom beam main reinforcing bar 101 to electrically join the steel column 140 and the bottom beam main reinforcing bar 101.

  Further, the bottom connecting conductor 4 is joined to the second terminal box 70, and the second terminal box 70 is attached to the front portion of the bottom column 90. In parallel with the operation of joining the bottom connecting conductor 4 to the second terminal box 70, the ground electrode connecting conductor 51 and the base connecting conductor 1 are joined to the first terminal box 60, and the first terminal box 60. Is attached to the front of the foundation column. And the 1st terminal box 60 and the 2nd terminal box are joined by the terminal box connection conducting wire 2. FIG. Thereby, the lightning receiving part 80 is joined to the bottom beam main reinforcing bar 101, the foundation beam main reinforcing bar 31, and the ground electrode 50 via the steel column 140.

  Next, the operation of the lightning arrester in the base-isolated building according to the third embodiment configured as described above will be described. The steel column 140 is used as the intermediate column main reinforcing bar 93 and the upper column main reinforcing bar 95 of the lightning protection facility in the base-isolated building according to the second embodiment, and the steel beam 141 is used as the intermediate beam main reinforcing bar 103 and the upper beam main reinforcing bar. 105, and the steel column 140 and the steel beam 141 are electrically joined. Therefore, the operation is the same as that of the above-described second embodiment, and the voltage increase of the seismic isolation building during lightning strike is made uniform. At the same time, the lightning current is grounded to the ground electrode 50 by reducing the voltage rise.

  As described above, the base portion on which the seismic isolation device 10 is mounted and the upper structure portion mounted on the seismic isolation device 10 are electrically insulated by the seismic isolation device 10, and the lightning receiving portion 80 receives the lightning strike. And a ground pole 50 for grounding a lightning current to the ground, each base beam main rebar of the bottom beam disposed at the bottom of the upper structure portion as a virtual ground to protect the building from lightning strike In a lightning arrester in a building, a first terminal box 60, a second terminal box 70, a foundation beam main reinforcing bar joint 110, a foundation part reinforcing bar joint 40, a bottom beam main reinforcing bar joint 111, A substantially T-shaped composite joint for electrically connecting the steel column 140 and the bottom beam main rebar 101 by mechanically attaching one end of the connecting wire to the steel column 140 and the other end to the bottom beam main rebar 101. 130 and approximately T for joining the lightning conductor connecting conductor 3 to the steel column 140 Since a lightning receptor contact wire bonding adsorber 132 shape, it is possible to provide a lightning protection equipment seismic isolation building steel frame.

  The composite connector 130 has one end attached to the bottom beam main rebar 101 and the other end attached to the steel column 140, and a connecting wire 41 that electrically connects the bottom beam main rebar 101 and the steel column 140 is provided. Provided, a gripper 42 is provided to fix the bottom beam main rebar 101 by crimping and fixing one end of the connecting lead 41, and the other end of the connecting lead 41 is press-fixed and fixed to the steel column 140 by suction. Since the T-shaped adsorber 131 is provided, the bottom beam main reinforcing bar 101 and the steel column 140 can be easily and electrically joined to each other.

  In addition, in this Embodiment 3, although the case where the seismic isolation building was steel frame structure was demonstrated, steel frame reinforced concrete structure may be sufficient and it is not limited to this Embodiment 3.

  The lightning protection equipment in the seismic isolation building according to the present invention is a reinforced concrete structure or steel structure having a reinforced concrete or steel member of the bottom beam member disposed at the bottom of the upper structure part placed on the seismic isolation device as a virtual ground. It is useful when installing lightning protection equipment in each base-isolated building made of steel-framed reinforced concrete.

1 is an overall left side view of a lightning arrester in a base-isolated building according to Embodiment 1. FIG. It is a whole perspective view which shows the attachment state of each junction of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a figure which shows the attachment state of the base part beam main reinforcement joint of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a side view of the foundation part reinforcing bar joint of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a front view of the foundation part reinforcing bar joint of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a figure which shows the state which crimps and fixes the connecting conducting wire to the conducting wire insertion part with a taper nut of the lightning protection equipment in the seismic isolation building which concerns on Embodiment 1. FIG. It is a front view of the 1st terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a right view of the 1st terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a front view of the cover body of the 1st terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is sectional drawing of the short side direction of the cover body of the 1st terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a front view of the U-shaped crimping device of the 1st terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a front view of the T-shaped crimping device of the 1st terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a sectional side view of the 1st terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1 of the short side direction. It is a front view of the 2nd terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a right view of the 2nd terminal box of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a top view of the branch terminal of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is a front view of the branch terminal of the lightning arrester in the seismic isolation building which concerns on Embodiment 1. FIG. It is the whole left side view of the lightning arrester in the seismic isolation building which concerns on Embodiment 2. FIG. It is a whole perspective view which shows the attachment state of each junction of the lightning arrester in the seismic isolation building which concerns on Embodiment 2. FIG. It is the whole left side view of the lightning arrester in the seismic isolation building which concerns on Embodiment 3. It is a left side enlarged view which shows the attachment state of the composite type junction of the lightning arrester in the seismic isolation building which concerns on Embodiment 3. FIG. It is a left view of an adsorber of the lightning arrester in the seismic isolation building which concerns on Embodiment 3. It is a front view of an adsorber of the lightning arrester in the seismic isolation building which concerns on Embodiment 3. FIG. It is a front view of the electric potential fall system at the time of the lightning strike in the base-isolated building which concerns on the prior art. It is a top view of the electric potential fall system at the time of the lightning strike in the base-isolated building which concerns on the prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Foundation part connection lead 2 Terminal box connection lead 3 Lightning receiving part connection lead 4 Bottom connection lead 10 Seismic isolation device 20 Base part pillar 21 Base part pillar main reinforcement 22 Foundation part connection lead joint 30 Foundation part beam 31 Foundation part beam owner Reinforcing bar 32 Foundation part orthogonal beam 33 Foundation part orthogonal beam main reinforcing bar 40 Foundation part reinforcing bar joint 41 Connecting conductor 42 Gripper 421 Connecting conductor insertion part 4211 Head part 4212 Shaft part 4212a Male thread part 4212b Pre-splitting part 4213 Screwed part 422 , 614, 623, 812 Taper nut 4221 Head 4222 Shaft part 4222a Female thread part 423 Nipping member 4231 Bolt locking part 424 Tightening member 4241 Axle 426 Screw member 4261 Bolt 4261a Bolt head 50 Ground pole 51 Grounding Electrode connecting conductor 52 Curing tube 53 Draining terminal 54 Grounding electrode connecting conductor joint 60 First terminal box 61 U-shaped crimping device 611 Basic connecting wire insertion portion 6111 Head portion 6111a, 6131 Female screw portion 6112 Shaft portion 6112a, 6211 Male screw portion 6112b, 6212 Pre-splitting portion 612 Terminal box connecting wire insertion portion 613, 622 Flat plate portion 62 T Characteristic crimping device 621 Ground electrode connecting lead insertion portion 6221 Screw hole 63, 66 Screw member 64, 74 Housing 641, 642, 643 Connector 644 Partition plate 6441 Notch portion 6442 Screw hole 645 Back plate 646 Top plate 647 Bottom plate 648 Right side plate 65 Lid 70 Second terminal box 71 Bottom connection conductor crimper 72 Terminal box connection conductor crimper 73 Bottom connection conductor connector 741 Bottom plate 742 Back plate 743, 744 Connector 745 Top plate 80 Lightning receiver 81 Branch terminal 811 Lightning-receiving part connection conducting wire insertion part 8111 Flat plate part 8111a Screw hole 8112 Parts 8112a male threaded portion 8112b destination breaking section 8113 gradient portion 82 lightning receptor contact conductor splicer 90 bottom pillar 91 bottom pillar main reinforcing bars 92 intermediate section posts
93 Middle column main reinforcement 94 Upper column
95 Upper Column Main Reinforcement 100 Bottom Beam 101 Bottom Beam Main Reinforcement 102 Intermediate Beam 103 Intermediate Beam Main Reinforcement 104 Upper Beam 105 Upper Beam Main Reinforce 106 Bottom Rebar Joint 107 Middle Rebar Joint 108 Upper Rebar Joint 110 Basic Beam main reinforcing bar connector 111 Bottom beam main reinforcing bar connector 112 Intermediate beam main reinforcing bar connector 113 Upper beam main reinforcing bar connector 120 Parapet 121 Parapet upper surface portion 130 Composite type joint 131 Adsorber 1311 Fixing device 1312 Magnet 132 Lightning receiving portion Connecting wire joint adsorber 140 Steel column 141 Steel beam 150 Floor 151 Wall 160 Bottom orthogonal beam 161 Bottom orthogonal beam main reinforcement 162 Intermediate orthogonal beam 163 Middle orthogonal beam main reinforcement 164 Upper orthogonal beam 165 Upper orthogonal beam main reinforcement 1010 Upper structure Part 1011 Bottom part 1020 Base part 1030 Seismic isolation device 1040 Equipotentialization connecting lead 10 0 lightning unit 1060 lightning conductor 1070 connected lightning conductor 1080 ground poles 1090 poster

Claims (8)

A base portion on which the seismic isolation device is mounted and an upper structure portion mounted on the seismic isolation device are electrically insulated by the seismic isolation device, and at least a lightning receiving portion for receiving a lightning strike, and a lightning current. A seismic isolation structure having a grounding electrode for grounding the earth and protecting the building from lightning strikes using a bottom steel member made of a reinforcing bar or a steel frame of the bottom beam member arranged at the bottom of the upper structure as a virtual ground. In lightning protection equipment in
A base part connector for mechanically attaching the base part steel material part to the base part steel material part mechanically attached to the base part steel material part which is a reinforcing bar or a steel frame of the column member of the base part,
Mechanically attached to the bottom steel part, and provided with a bottom joint for electrically joining the bottom steel part,
A first terminal box to be joined to the grounding electrode and the foundation steel member;
A second terminal box joined to the first terminal box and the lightning receiver,
A lightning arrester in a seismically isolated building. In the lightning arrester in the base-isolated building according to claim 1,
An upper joint that is mechanically attached to an upper steel part that is a column member excluding the bottom beam member of the upper structure part, a reinforcing bar or a steel frame of the beam member, and electrically joins the upper steel part. In addition,
A lightning arrester in a seismically isolated building. In the lightning protection equipment in the seismic isolation building according to claim 1 or claim 2,
The joint is a rebar joint with a steel part to which the joint is attached as a rebar,
The rebar joint is provided with a connecting wire that electrically joins the rebar and the rebar,
A gripper for mechanically attaching each end of the connecting conductor to the reinforcing bar by crimping and fixing each end of the connecting conductor,
A lightning arrester in a seismically isolated building. In the lightning protection equipment in the seismic isolation building according to claim 1 or claim 2,
The jointer is a composite jointer in which one end of the joint is attached to a steel part as a reinforcing bar, and the other end is attached to a steel part as a steel frame.
The composite joint is provided with a connecting conductor that electrically joins the reinforcing bar and the steel frame,
A gripping device that is fixed to one end of the connecting wire by crimping and mechanically attached to a reinforcing bar is provided,
The other end of the connecting conductor was fixed by crimping, and a substantially T-shaped adsorber was mechanically attached to the steel frame.
A lightning arrester in a seismically isolated building. In the lightning arrester in the base-isolated building according to claim 1,
The first terminal box is electrically and mechanically joined to one end of a base connecting wire joined to the base steel part, and the first terminal box and the second terminal box A substantially U-shaped crimping device in which one end of the terminal box connecting lead wire for joining is electrically and mechanically joined,
A T-shaped crimping device having a substantially T-shaped configuration in which one end of the grounding electrode connecting conductor joined to the grounding electrode is electrically and mechanically joined;
The U-shaped crimping device and the T-shaped crimping device were electrically joined, and a substantially flat partition plate for mechanically attaching each crimping device was provided.
A lightning arrester in a seismically isolated building. In the lightning protection equipment in the base-isolated building according to claim 1,
The second terminal box is provided with a substantially T-shaped bottom connecting lead wire crimper in which one end of the bottom connecting lead wire joined to the bottom steel part is electrically and mechanically joined.
A terminal box connecting conductor crimping device having a substantially T-shape, in which one end of the terminal box connecting conductor joined to the first terminal box is electrically and mechanically joined;
The bottom connecting lead wire crimping device and the terminal box connecting lead wire crimping device were electrically joined, and provided with a substantially flat partition plate to be mechanically attached,
A lightning arrester in a seismically isolated building. In the lightning protection equipment in the seismic isolation building according to claim 5,
In the U-shaped crimping device, a base portion connecting lead insertion portion into which one end of the base portion connecting lead is inserted, and
A terminal box connecting conductor insertion portion into which one end of the terminal box connecting conductor is inserted;
A substantially rectangular flat plate portion in which the base portion connecting conductor insertion portion is disposed near one short side portion, and the terminal box connecting conductor insertion portion is disposed near the other short side portion, and
A taper nut that crimps and fixes the connecting conductor inserted in each connecting conductor insertion portion,
A lightning arrester in a seismically isolated building. In the lightning protection equipment in the seismic isolation building according to claim 5 or claim 6,
In each T-shaped crimping device, a connecting conductor insertion portion into which one end of each connecting conductor is inserted,
A substantially rectangular flat plate portion in which the connecting wire insertion portion is suspended substantially at the center thereof; and
A taper nut that crimps and fixes the connecting conductor inserted into the connecting conductor insertion portion to each crimping device;
A lightning arrester in a seismically isolated building.

Images